CONTENTS 



Page 



Introduction* ••••••••••••••••••••••• 1 



An important forest resource •••••••• 2 



Forest research involved •• •••• 2 



Present statxjs of forest research in Alaska • • • • • 4 



The forest survey • ••• 5 



Plans for 1956 8 



Forest insects. • ••••••• •••• 8 



The black-headed budworm survey. 8 



Present status. ..•••••» •••••• 8 



Trend 9 



Factors causing outbreak decline. ..... 11 



Hemlock sawfly 13 



Heconimendations • .••....•*• 13 



Forest insect research ••.........• 14 



Effects of black-headed budworm feeding on 



second-growth ...... ........ 14 



Budworm damage to second-growth western hemlock ... 14 



Budworm damage to second-growth Sitka spruce. .... 15 



Forest management 16 



Silvicultural studies. ........ 16 



Residual trees. .. ..... 16 



Regeneration on recently logged area. 17 



Seed dispersal. ••• 18 



Rodent trapping 19 



Relative abundance of various seedbed types ..... 20 



Extreme temperatures in the environment of seedlings. 21 



Miscellaneous studies 23 



Long log scaling tables ...... 23 



Fire weather in Southeast Alaska. 23 



Pole timber volume table 24 



Chemical brush control. ............... 24 



